Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3490 FMI 4 (ACM) Post Run Indicator Lamp

NOTE: Post Run Indicator Lamp – Indicated a short to ground on pin 14 circuit of the aftertreatment control module 120-pin connector. Repair the short to ground on pin 14 circuit of the aftertreatment control module (ACM) 120-pin connector.

NOTE: Repair the open circuit on pin 14 of the ACM2.1 120-pin connector.